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    Chimney tray for a column for thermal treatment of fluid mixtures
    1.
    发明授权
    Chimney tray for a column for thermal treatment of fluid mixtures 有权

    公开(公告)号：US10471369B2

    公开(公告)日：2019-11-12

    申请号：US15382036

    申请日：2016-12-16

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Thomas Walter

    IPC: B01D3/32 ,  B01D3/20 ,  B01F3/04

    Abstract: The present invention relates to a chimney tray (3) for a column (1) for thermal treatment of fluid mixtures, comprising a collecting tray (4) and at least two chimneys (5-1, 5-2) spaced apart horizontally in the collecting tray (4), where each chimney (5-1, 5-2) forms a vertically aligned chimney body (6-1, 6-2) which forms a passage orifice (7-1, 7-2) through the collecting tray (4), and has a cover unit (8-1, 8-2) arranged spaced apart from the chimney body (6-1, 6-2), and where the cover unit (8-1, 8-2) covers the respective passage orifices (7-1, 7-2) in the vertical direction. The chimney tray (3) of the invention is characterized by a screen (9) which extends around the chimney body (6-1) of a first chimney (5-1), with the lower annular edge (14) of the screen (9) below the upper edge (13) of the chimney body (6-1) of the first chimney (5-1) and the upper annular edge (11) of the screen (9) above the lower outer edge (12) of the cover unit (8-1) of the first chimney (5-1) or adjoining the lower outer edge (12) of the cover unit (8-1) of the first chimney (5-1).

    Column for thermal treatment of fluid mixtures
    2.
    发明授权
    Column for thermal treatment of fluid mixtures 有权

    公开(公告)号：US10413841B2

    公开(公告)日：2019-09-17

    申请号：US14816485

    申请日：2015-08-03

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Thomas Walter

    IPC: B01D3/32 ,  B01D3/26 ,  C07C51/44

    Abstract: The present invention relates to a column (1) for thermal treatment of fluid mixtures, having a cylindrical, vertical column body (2) which forms a column cavity (3), a plurality of trays (8) mounted with vertical spacing in the column cavity (3), and a support construction (9) which supports at least one of the trays (8) in vertical direction. It is a characteristic feature of the inventive column (1) that the support construction (9) has a plurality of orifices (12) which allow horizontal mass transfer through the support construction (9). The invention further relates to a tray device for such a column and to a thermal separation process between at least one gas ascending within such a column (1) and at least one liquid descending within the column (1).

    System and method for operating a liquid gas evaporator
    3.
    发明授权
    System and method for operating a liquid gas evaporator 有权

    公开(公告)号：US10174935B2

    公开(公告)日：2019-01-08

    申请号：US14738050

    申请日：2015-06-12

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Thomas Walter

    IPC: F22B1/02 ,  B01D1/00

    Abstract: A system (1) and method for operating a liquid gas evaporator (3), comprising an evaporator (3), a trough (5) carrying the evaporator (3), a housing (7) which surrounds the evaporator (3) on three sides, at least one detector (9) for sensing liquid gas arranged in the trough (5), a line (11) for the distribution of vapor D on the fourth, non-housed side of the evaporator (3) arranged at the margin of the trough (5) which is not closed off by the housing (7), a feed (13), connected to the line (11), and a regulating valve (15) provided on the feed (13) and connected to the detector (9) and at least one shut-off valve (17).

    Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production
    4.
    发明授权
    Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production 有权

    公开(公告)号：US10093551B2

    公开(公告)日：2018-10-09

    申请号：US14857998

    申请日：2015-09-18

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Thomas Walter ,  Christian Raith

    IPC: C02F1/04 ,  B01D1/00 ,  B01D3/26 ,  C07C51/44 ,  B01D3/34 ,  C07C57/04 ,  C02F1/16 ,  C02F103/36

    Abstract: The present invention relates to a process for treating secondary components obtained in acrolein and/or (meth)acrylic acid production, comprising the steps of: a) contacting at least one wastewater stream (201) comprising at least a portion of the water of reaction removed in a first stage of a saturation column (101) with at least one process offgas stream (203), b) introducing energy by means of a first heat transferer (103) provided in a first saturation circuit (301) into the first stage of the saturation column (101), c) partly vaporizing the wastewater stream (201) into the process offgas stream (203) and passing the combined gas stream (205) into a second stage of the saturation column (101), d) drawing off a concentrated wastewater stream (207) from the bottom (1011) of the first stage of the saturation column (101) and feeding it to the top (1023) of the second stage of the saturation column (101), e) introducing energy by means of a second heat transferer (105) provided in a second circuit (303) into the second stage of the saturation column (101), f) partly vaporizing the concentrated wastewater stream (207) into the combined gas stream (205) to obtain an offgas stream (209), g) superheating the offgas stream (209), after it has been saturated, in a third heat transferer (113) to obtain a superheated offgas stream (211) and h) transferring the offgas stream (209) or the superheated offgas stream (211) from the saturation column (101) to a thermal aftertreatment. The present invention further relates to a plant (1) for treating the secondary components obtained in acrolein and/or (meth)acrylic acid production.

    Process for preparing an unsaturated aldehyde and/or an unsaturated carboxylic acid
    5.
    发明授权
    Process for preparing an unsaturated aldehyde and/or an unsaturated carboxylic acid 有权
    制备不饱和醛和/或不饱和羧酸的方法

    公开(公告)号：US09169188B2

    公开(公告)日：2015-10-27

    申请号：US14536969

    申请日：2014-11-10

    Applicant: BASF SE

    Inventor： Josef Macht ,  Christian Walsdorff ,  Cornelia Katharina Dobner ,  Cathrin Alexandra Welker-Nieuwoudt ,  Ulrich Hammon

    IPC: C07C51/16 ,  C07C51/42 ,  C07C51/25 ,  B01J23/887 ,  C07C45/35

    CPC classification number: C07C51/252 ,  B01J23/8876 ,  C07C45/35 ,  C07C47/22 ,  C07C57/04

    Abstract: An α,β-unsaturated aldehyde and/or an α,β-unsaturated carboxylic acid are prepared by gas phase oxidation of alkene with molecular oxygen over a fixed catalyst bed comprising a bed of hollow cylindrical shaped catalyst bodies having a multimetal oxide active composition. The fixed catalyst bed comprises at least three successive reaction zones; the highest local temperature in the fixed catalyst bed does not occur in the reaction zone closest to the reactor outlet; the highest local temperature in the fixed catalyst bed does not occur in the reaction zone closest to the reactor inlet; and the value WT=(ED−ID)/2 in the reaction zone in which the highest local temperature in the fixed catalyst bed occurs is lower than in the other reaction zones, in which ED is the external diameter and ID is the internal diameter of the shaped catalyst body. The yield of the products of value is enhanced in this way.

    Abstract translation: 通过在固定的催化剂床上用分子氧气气氧化烯烃制备α，β-不饱和醛和/或α，β-不饱和羧酸，所述催化剂床包含具有多金属氧化物活性的中空圆柱形催化剂体床 组成。 固定的催化剂床包括至少三个连续的反应区; 在最接近反应器出口的反应区域内不会发生固定催化剂床中最高的局部温度; 固定催化剂床中最高的局部温度不会在最接近反应器入口的反应区中发生; 在固定催化剂床中发生最高局部温度的反应区域中的值WT =（ED-ID）/ 2低于其他反应区域，其中ED为外径，ID为内径 的成形催化剂体。 以这种方式提高了产品的产量。

    Reactor system and use thereof
    7.
    发明授权
    Reactor system and use thereof 有权

    公开(公告)号：US10239033B2

    公开(公告)日：2019-03-26

    申请号：US14659753

    申请日：2015-03-17

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Thomas Walter

    IPC: B01J8/06 ,  B01J19/24 ,  B01J19/00

    Abstract: A reactor system (1) having a reactor 3, at least one cooler (5) connected to the reactor (3), at least one pump (7) for circulating at least some of a liquid heat-transfer medium (9), wherein the pump (7) is connected to the reactor (3) and/or the at least one cooler (5), and a container (11) for collecting the liquid heat-transfer medium (9) is provided. The container (11) is connected to the reactor (3) and/or the at least one cooler (5) and is disposed substantially below the reactor (3) and/or the at least one cooler (5). Also provided are exothermic reactions which are conducted in the reactor system.

    Extraction column and process for extracting a constituent from a fluid
    9.
    发明授权
    Extraction column and process for extracting a constituent from a fluid 有权

    公开(公告)号：US09643910B2

    公开(公告)日：2017-05-09

    申请号：US14573313

    申请日：2014-12-17

    Applicant: BASF SE

    Inventor： Ulrich Hammon ,  Daniel Pfeiffer ,  Jonathan Walter

    IPC: B01D3/40 ,  C07C51/48 ,  B01D11/04 ,  B01D3/14 ,  B01D11/00

    CPC classification number: C07C51/48 ,  B01D3/141 ,  B01D3/40 ,  B01D11/0426 ,  B01D11/043 ,  B01D2011/002

    Abstract: The present invention relates to an extraction column 1 having a vertically aligned column body 2 which is cylindrical at least in sections and forms a column cavity 3 having a horizontal maximum extent, with provision in the column body 2 of at least one first feed 4 for an extractant, at least one second feed 5 for the fluid to be extracted and at least one outlet 6 for the extract mixture and at least one outlet for the raffinate. In the inventive extraction column 1, a vertically aligned divider 7 arranged within the column cavity 3 subdivides the column cavity 3 into a plurality of vertically aligned and horizontally divided regions, the horizontal maximum extent of each region being less than the horizontal maximum extent of the column cavity 3. The invention further relates to a process for extracting a constituent from a fluid by means of such an extraction column 1.

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